15255149742

Names of 15255149742

• Cardinal: 15255149742 can be written as Fifteen billion, two hundred fifty-five million, one hundred forty-nine thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.5255149742 × 10¹⁰

Factors of 15255149742

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 218

Divisors of 15255149742

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 42 53 54 57 61 63 73 81 106 114 122 126 133 146 159 162 171 183 189 219 243 266 318 342 366 371 378 399 427 438 477 486 511 513 549 567 657 742 798 854 954 1007 1022 1026 1098 1113 1134 1159 1197 1281 1314 1387 1431 1533 1539 1647 1701 1971 2014 2226 2318 2394 2562 2774 2862 3021 3066 3078 3233 3294 3339 3402 3477 3591 3843 3869 3942 4161 4293 4453 4599 4617 4941 5913 6042 6466 6678 6954 7049 7182 7686 7738 8113 8322 8586 8906 9063 9198 9234 9699 9709 9882 10017 10431 10773 11529 11607 11826 12483 12879 13359 13797 14098 14823 16226 17739 18126 19398 19418 20034 20862 21147 21546 22631 23058 23214 24339 24966 25758 26718 27083 27189 27594 29097 29127 29646 30051 31171 31293 32319 34587 34821 35478 37449 40077 41391 42294 45262 48678 54166 54378 58194 58254 60102 61427 62342 62586 63441 64638 67893 69174 69642 73017 73511 74898 80154 81249 81567 82782 84607 87291 87381 90153 93513 93879 103761 104463 112347 120231 122854 124173 126882 135786 146034 147022 162498 163134 169214 174582 174762 180306 184281 187026 187758 190323 203679 207522 208926 219051 220533 224694 236009 240462 243747 244701 248346 253821 261873 262143 280539 281637 313389 337041 360693 368562 380646 407358 429989 438102 441066 472018 487494 489402 507642 514577 523746 524286 552843 561078 563274 570969 592249 611037 626778 657153 661599 674082 708027 721386 731241 761463 785619 786429 841617 859978 940167 1029154 1082079 1105686 1141938 1184498 1222074 1289967 1314306 1323198 1416054 1462482 1522926 1543731 1571238 1572858 1652063 1658529 1683234 1712907 1776747 1833111 1880334 1971459 1984797 2124081 2164158 2193723 2284389 2359287 2524851 2579934 3087462 3304126 3317058 3425814 3553494 3666222 3869901 3942918 3969594 4248162 4387446 4484171 4568778 4631193 4718574 4956189 4975587 5049702 5330241 5499333 5954391 6372243 6581169 6853167 7574553 7739802 8968342 9262386 9912378 9951174 10660482 10998666 11609703 11908782 12744486 13162338 13452513 13706334 13893579 14868567 14926761 15149106 15990723 17863173 19116729 20559501 23219406 26905026 27787158 29737134 29853522 31389197 31981446 34829109 35726346 38233458 40357539 41119002 41680737 44605701 47972169 57350187 62778394 69658218 80715078 83361474 89211402 94167591 95944338 104487327 114700374 121072617 125042211 133817103 143916507 188335182 208974654 242145234 250084422 267634206 282502773 287833014 363217851 401451309 565005546 726435702 802902618 847508319 1089653553 1695016638 2179307106 2542524957 5085049914 7627574871 15255149742
• Sum of all divisors σ(n): 43287229440
• Sum of proper divisors (its aliquot sum) s(n): 28032079698
• 15255149742 is an abundant number, because the sum of its proper divisors (28032079698) is greater than itself. Its abundance is 12776929956

Bases of 15255149742

• Binary: 1110001101010001110001110010101110₂
• Hexadecimal: 0x38D471CAE
• Base-36: 70AISVI

Squares and roots of 15255149742

• 15255149742 squared (15255149742²) is 232719593650842666564
• 15255149742 cubed (15255149742³) is 3550172249040997342916396626488
• The square root of 15255149742 is 123511.7392882151
• The cube root of 15255149742 is 2480.1169376659

Scales and comparisons

• 15,255,149,742 seconds is equal to 485 years, 3 weeks, 3 days, 5 hours, 35 minutes, 42 seconds.
• To count from 1 to 15,255,149,742 would take you about nine hundred seventy years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 15255149742 cubic inches would be around 206.7 feet tall.

Recreational maths with 15255149742

• 15255149742 backwards is 24794155251
• The number of decimal digits it has is: 11
• The sum of 15255149742's digits is 45
• More coming soon!